document-1480463293.xls

General
Target

document-1480463293.xls

Filesize

331KB

Completed

26-11-2020 16:22

Score
10 /10
MD5

fd47a096642b5b9dffde188ee309410e

SHA1

47f56aaa48a5c10e8f3c4cd9d8f47893a265aa62

SHA256

56b38cfcd74d14974f8db0753e06fb0a509b7565a099a85d70f02b70079c1ff2

Malware Config
Signatures 7

Filter: none

Discovery
  • Process spawned unexpected child process
    regsvr32.exe

    Description

    This typically indicates the parent process was compromised via an exploit or macro.

    Reported IOCs

    descriptionpidpid_targetprocesstarget process
    Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process940744regsvr32.exeEXCEL.EXE
  • Checks processor information in registry
    EXCEL.EXE

    Description

    Processor information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0EXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHzEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameStringEXCEL.EXE
  • Enumerates system info in registry
    EXCEL.EXE

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\Hardware\Description\System\BIOSEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamilyEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKUEXCEL.EXE
  • Suspicious behavior: AddClipboardFormatListener
    EXCEL.EXE

    Reported IOCs

    pidprocess
    744EXCEL.EXE
  • Suspicious use of FindShellTrayWindow
    EXCEL.EXE

    Reported IOCs

    pidprocess
    744EXCEL.EXE
    744EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
    744EXCEL.EXE
  • Suspicious use of WriteProcessMemory
    EXCEL.EXE

    Reported IOCs

    descriptionpidprocesstarget process
    PID 744 wrote to memory of 940744EXCEL.EXEregsvr32.exe
    PID 744 wrote to memory of 940744EXCEL.EXEregsvr32.exe
Processes 2
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1480463293.xls"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
      Process spawned unexpected child process
      PID:940
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/744-2-0x00007FFF6D2A0000-0x00007FFF6D8D7000-memory.dmp

                        • memory/940-3-0x0000000000000000-mapping.dmp